Apparatus for the manufacture of metallic alloys.



W. N. NAYLOR & S. P. HUTTON. APPARATUS FOR THE MANUPAGTURB 0F METALLICALLOYS.

' APPLICATION FILED M R. 7, 191a.

Patented Mar. 16, 1915.

//VV/VTOR5 1401 M4 YL OR was e/mm/w ATTOR/YEX Fig 1 ;UNITED ES PATENToFFicE; l

, WALTEB NUBTHGOTE NAYLOR, OF FOREST HILL, AND STANLEY PAGE BUTTON, OFBECKENHAM, ENGLAND.

nrrnnn'rus iron. THE MANUFACTURE or METALLIC ALLOYS.

ii To all whom it may concern:

Be it known that we, WALTER NORTHCOTE NAYLOR and STANLEY PAGE HUTTON,citizens of the UnitedKingdom of Great Britain and Ireland, andresidents of 169 Stanstead road, Forest Hill, in the county ofLondon,'England, and 30 Manor road, Beckenham, in the county of Kent,England, respectively, have invented certain new and usefulImprovements' in Apparatus for the Manufacture of Metallic Alloys, ofwhich the following is a specification, such as will. enable othersskilled in the art to which it appertains to make and use the same.

This invention relates I to apparatus for the manufacture of metallicalloys, such for example as that described in our application 1 forUnited States Patent Serial No. 732972 of November, 22nd, 1912, of whichthisapplication is a division.

In the accompanying drawings, Figure 1 shows the apparatus together witha crucible.

In using this a quantity of aluminium is melted 'in a crucible a and tothis is added at atemperature of about 600 C. or thereabout a percentageof magnesium and phosphor tin. The magnesium. and phosphorat'ed tin areincorporated with" the aluminium by means 'of a special device in theform of a tube or casing I) through which the magne- -sium is made toenter the molten aluminium at the bottom of the crucible, this methodbeing adopted owing to the low melting esium.-

pointand specific gravity-of the ma The tube-or casing b is cylindrid aland 'open at ,its lower end and it is fitted with a plunger or pistoncand sliding rod d of which passes "upthrough the tube and extends for aconsiderable distance beyond same.

.In use the tube 6 is charged with pieces or blocks of magnesium 'e' andwith pieces of phosphorated tin f placed in between. The sliding rod isdrawn out as shown to the left of the figure for the purpose of chargingthe tube and a suitable wad of paper or other fabric g is placed betweenthe end of the piston and the hole through which the rod slides. Theopen end of the tube is now blocked with a wad so as to keep it inplace. At the required time the tube described, is thrust with its openend downcharged as and this application filed March ward into the moltenaluminium. The contamed magnesium and phosphor tin are quickly meltedout and flow into and mix with the aluminium in the crucible, the

weight of the plunger or sliding rod (1 assists in forcing out thecontents of the tube as it descends, and the position of the said rodserves to indicate when the metal has been properly melted out anddiffused. The

molten metal thus mixed may be suitably stlrred with a carbon stick orin other suitable manner to insure a thorough incorporation of themagnesium with the aluminium. The upper end of the sliding rod 03 may befitted with a smaller bell-shaped cavity or cup h whereby any furtheraddition of small, 7o

tion a substantially large ,block of metal.

Patented Mar. 1c, 1915.-

may be dealt with as indicated instead "of I small pieces as in Fig. 1.A removable cross-barj is provided for keepingthe blocks of metal inplace until melted. What we claim and desire to secure by Letters Patentis 1. In combination, a tubular chamber; a

piston therein; and soft wadding disposed within one end of the chamber,engaging the sides thereof atpoints with-in the chamber remote from saidend,for holding material in the chamber, said chamber being free fromobstructions in its middle part, whereby cylindrical pieces of materialmay be held therein.

-2.- Anapparatus for' adding magnesium and phosphor tin to moltenaluminium, said apparatus comprising, 1n combination, a

tubular chamber open at its lower end, having a perforated closure atits upper end and having its intermediatepart adapted to be filled withsolid material having a diameterapproximating the inner diameter of thechamber; a plunger movable within the ref chamber; an indicatingrodattached to and movable With the plunger and passing through theperforation of the closure; and means disposed Within the lower end ofthe chamber engaging the sides thereof away.

from said end, and free from projections into the intermediate part ofthe chamber, and adapted to hold said material in the chamber When thematerial is solid.

In Witness whereof we have hereunto set our hands 1n presence of twowltnesses.

WALTER NORTHGOTE NAYLOR. STANLEY PAGE HUTTON.

Witnesses:

WALTER J. SKERTEN, E. C. WALKER.

